Home / 3,331.02-4,993.29-2,160.30

Finding the Fourth Proportional to 3,331.02, 4,993.29 and 2,160.30

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Solution

The fourth proportional to 3,331.02, 4,993.29 and 2,160.30 is: 3,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.02 : 4,993.29 = 2,160.30 : x
  2. Step 2: Convert to fraction form
    3,331.02/4,993.29 = 2,160.30/x
  3. Step 3: Cross multiply
    3,331.02x = 4,993.29 × 2,160.30
  4. Step 4: Simplify right side
    3,331.02x = 10,787,004.39
  5. Step 5: Solve for x
    x = 10,787,004.39/3,331.02
  6. Step 6: Final answer
    x = 3,238.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.